Aprisa Digital Radio Specification

General
  • Frequency Ranges:-
  • 330 - 400 MHz 400 - 470 MHz 1350 - 1550 MHz For other bands, please contact Fairlink Systems Ltd.
  • Modulation:-
  • 16 QAM
  • Frequency Selection:-
  • Synthesized 12.5 kHz steps
  • Frequency Stability:-
  • +/-1.5 ppm
  • Antenna Connection:-
  • N-type female 50 ohm
System Performance

Channel Spacing25kHz50kHz75kHz152kHz250kHz
CapacitiesGross Rate72kbs144kbs240kbs480kbs800kbs
Minimum Rate64kbs128kbs224kbs448kbs768kbs
Receiver Sensitivity10-3105dBm103dBm101dBm-98dBm-95dBm
10-6102dBm100dBm-98dBm-95dBm-92dBm
System Gain 10-6133dB131dB129dB126dB123dB
Typical End to End Link Delay60ms30ms20ms10ms6ms

Transmitter
  • Power Output:- + 31 dBm
  • Tolerance:- +/- 1 dB
  • Power Control:- 12 dB (in 1 dB steps)
Receiver
  • Maximum Input Level:- -30 dBm
  • Dynamic Range:- > 60 dB (10 -3 BER)
  • C/I Ratio
    • Co-channel > 30 dB
    • 1st Adj. Channel > 0 dB
    • 2nd Adj. Channel > -25 dB
Duplexer (Bandpass)
  • Passband:-
    • 1.5 MHz (300/400 MHz)
    • 5 MHz (1400 MHz)
  • TX/RX Split
    • > 9 MHz (400 MHz)
    • > 19 MHz (300 MHz)
    • > 48 MHz (1400 MHz)
Interface Options
  • Ethernet Bridge:- 10BaseT (UTP)
  • Fractional E1:- 120 ohm balanced G.703/4
  • 64 kbps:- Co-directional G.703
  • Data:- V.24/V.11
  • Analogue 2-Wire or 4-Wire:- E&M
  • Connection:- RJ-45 x 4
DC Power Supply
  • Input Range:-
    • +/- 12 V (11 - 20 VDC)
    • +/- 24 V (19 - 36 VDC)
    • +/- 48 V (37 - 60 VDC)
  • Power Consumption:- 45 W typical
Auxiliary Interfaces
  • Alarms:- 2 inputs & 2 outputs
  • Configuration:- PC/Laptop
  • Connection:- RJ-45 x 2
Environmental
  • Operating:- -10 to +50°C
  • Storage:- -20 to +70°C
  • Humidity:- Max. 95% non-cond.
  • Altitude:- Up to 5000 m
Mechanical
  • 19-inch Rack Mount:-
    • 3U high (1400 MHz)
    • 4U high (300/400 MHz)
  • Wall Mount (mm):- 165w x 350h x 260d
  • Weight:- 10 kg typical
ETSI Performance
  • Radio:- EN 300 630 - Class 3
  • EMI/EMC:- EN 300 385
  • Safety:- EN 60950
  • Environmental:- ETS 300 019 - Class 3.2


Aprisa Digital Radio Specification

For further information please contact us